役立つ
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く
だ
つ
役立つ · godan verb (-tsu)
| Form | Positive | Negative |
|---|---|---|
| Dictionary | 役立つ | 役立たない |
| Polite | 役立ちます | 役立ちません |
| Past polite | 役立ちました | 役立ちませんでした |
| Past | 役立った | 役立たなかった |
| Te-form | 役立って | 役立たないで |
| Desire | 役立ちたい | 役立ちたくない |
| Potential | 役立てる | 役立てない |
| Passive | 役立たれる | 役立たれない |
| Causative | 役立たせる | 役立たせない |
| Causative passive | 役立たせられるalso 役立たされる | 役立たせられないalso 役立たされない |
| Volitional | 役立とう | |
| Polite volitional | 役立ちましょう | |
| Imperative | 役立て | 役立つな |
| Conditional | 役立てば | 役立たなければ |
| Tara conditional | 役立ったら | 役立たなかったら |
Meanings
1
godan verb (-tsu), intransitive verb
be useful; be helpful; serve the purpose
Intransitive verb describing something that proves useful or beneficial in a situation. Often used with に to mark the beneficiary or purpose.
This dictionary is useful for studying Japanese.
His advice was very helpful.
Usage patterns
- 〈事〉に役立つto be useful for/in something
This experience will probably be useful for my future job.
- 役立つ〈物〉a useful thing (info, tool, skill, etc.)
This website has a lot of useful information.